# a density of 1.0 M solution of NaCL

29,843 results, page 56
1. ## college-chemistry

2. A 0.1967 g sample of pure ascorbic acid is weighed out and dissolved in 50.0 mL of distilled water in an Erlenmeyer flask. One week later, when about one third of the water in the flask has evaporated, this solution is titrated against 0.01735 M KIO3
2. ## Chemistry

The pH of an 0.0870 M solution of weak acid A is 2.20. The pH of an 0.0830 M solution of weak acid B is 4.07. The pH of an 0.0890 M solution of weak acid C is 5.13. Identify the three acids from among those listed below (the Ka values are listed in
3. ## chemiestry

One liter of buffered solution should be prepared with a general concentration of 0.320M with a pH of 5.83 : - Pyridine solution (formula: C5H5N) in water at a concentration of 1.00M - HCl solution in water at a concentration of 0.85M - Distilled water
4. ## Physics

A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 5.00 cm . On the left side of the tube, the depth of the oil is 2.30cm . The density of the
5. ## Physics, Calculus(alot of stuff together)= HELP!!

A rod extending between x=0 and x= 14.0cm has a uniform cross- sectional area A= 9.00cm^2. It is made from a continuously changing alloy of metals so that along it's length it's density changes steadily from 2.70g/cm^3 to 19.3g/cm^3. a) Identify the
6. ## Chemistry

1000g of a 50%(mass percentage) nitric acid solution is to be dil ute to 20%(mass percentage) nitric acid solution.how many lit ers of water should be added to the starting solution?
7. ## chem

experimental error is part of any experiment.suggest two possible sources of error on the experiment of the mole ratio of NaCL to that of NaHCO3.
8. ## Chemistry

In the reaction of formation of sodium chloride (NaCl), 15 g of sodium is placed in contact with 20 g of chlorine. What is the reactant in excess and its mass in excess?
9. ## science

AgNO3+NaCL=AgCL+NaNO3 is not a redox reaction but Cu+2AgNO3=2Ag+Cu(NO3)2 is a redox reaction.explain
10. ## Science

Na subscript 2SO subscript 4 + CaCl subscript 2 produces CaSO subscript 4 + NaCl Please help me balance this equation and show your work
11. ## Science

Explain why chlorine (Cl²) is a gas at room temperature, but at sodium chloride (NaCL) is a solid at room temperature.
12. ## college chemistry

during a liquid-liquid extraction the procedure often calls for the use of saturated NaCl when ether is used as the extraction solvent, but not when dichloromethane is used. why?
13. ## Chemistry

What are the signs of dH, dS, and dG for the following and please explain why? Also what does it mean by sublimation, and molten? 1. CO2(s) --> CO2(g) (Dry ice subliming) dH = ? dS = ? dG = ? 2. The electrolysis of molten NaCl(l). dH = ? dS = ? dG = ?
14. ## chemistry

3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) How many milliliters of 0.0800 M Na3PO4(aq) will react with 0.060 mol of MgCl2(aq)?
15. ## chemistry

For the balanced reaction HCl(aq) + NaOH(aq) ? H2O(l) + NaCl(aq), how many moles of H2O could be produced from 25 g HCl? (You have already done this type of question!
16. ## Physics

A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m3. The mass of the wire is small enough that its effect on the tension in the wire can be neglected. The upper end of
17. ## physics

A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. The mass of the wire is small enough that its effect on the tension in the wire can be neglected. The upper end of
18. ## Chemistry

What is the effect on the boiling point of a solution (for example, water) produced by a soluble nonvolatile substance (for example, sodium chloride)? What is the effect of an insoluble substance such as sand or charcoal? I believe if an insoluble
19. ## chemistry

According to Raoult's law, which statement is false? a. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. b. The solubility of a gas increases as the temperature decreases. c. The vapor pressure of a solvent over a
20. ## Chemesitry!

Sodium thiosulfate, Na2S2O3, is used as a fixer in photographic film developing. The amount of Na2S2O3 in a solution can be determined by a titration with iodine, I2, according to the equation: 2Na2S2O3(aq) + I2(aq) --> Na2S4O6 +2NaI(aq). Calculate the
21. ## English

1. Do-it-yourself fashion can be your solution. 2. Do-It-Yourself fashion can be your solution. 3. Diy fashion can be your solution. 4. DIY fashion can be your solution. ================================== Which one is correctly spelled?
22. ## science urgent

how does Nacl use electrons to make a bond. (ionic compound) how does water use electons to make a bond (covalent compund)
23. ## Chemistry

a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
24. ## Science

Explain why .100 m NaCl in water does not have a freezing point equal to a) -0.183 degrees Celsius b) -0.366 degrees Celsius
25. ## Chemistry

a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
26. ## Chemistry

write the complete and net ionic equation for: HCl+NaOH-->H20+NaCl HNO3+NaOH-->H20+NaNO3
27. ## Chemisty

How can naphthalene be separayed from a mixture of KBr and Sand? How can you separate NiCO3 from NaCO3 in detail? How can you separate AgCl from NaCl in detail?
28. ## Chemistry

a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?

CaCl2(aq)+Na3PO4(aq) -----------> Ca3(PO4)2(s) +NaCl(aq)4) If the “H” for this reaction is -45.5 kJ/mol, is the reaction endo- or exothermic? Exothermic
30. ## Chemistry

1. I do not understand why this cannot go to equilibrium? Na2CO3(aq)+HCl(aq)->H2O(l)+CO2(g)+NaCl(aq) Please explain. 2. Are K subscript c the same as K subscript eq? Do they both stand for the equilibrium constant?
31. ## Chemistry

a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
32. ## Chemistry

A saturated solution is made by dissolving 0.252 g of a polypeptide (a substance formed by joining together in a chainlike fashion some number of amino acids) in water to give 1.92 L of solution. The solution has an osmotic pressure of 3.69 torr at 25 °C.
33. ## chem

what are the normal freezing points and boiling points of the following solutions: a. 21.1g NaCl in 135mL of water b. 15.4g urea in 66.7 mL water?
34. ## Weight Grams

The weight in grams{g} of 1 mM of NaCl is__ a.49.0 b.58.5 c.65.5 d.78.5 http://environmentalchemistry.com/yogi/reference/molar.html
35. ## chemistry

the boiling point increased by 2oC, what is the approximate molality of NaCl. K boiling point(water)= 0.512oC/m
36. ## chem

what are the normal freezing points and boiling points of the following solutions: a. 21.1g NaCl in 135mL of water b. 15.4g urea in 66.7 mL water?
37. ## College Chemistry

If 3.00 moles of NaCl were mixed with 0.9 L of 0.5 M of AgNO3, how many moles of solid would form? Include the formula for the solid.
38. ## chemistry

3BaCl + 2Na3PO4 --> Ba3(Po4)2 +^NaCl is Ba3(PO4)2 the ppt. because Cl salts are soluble so it will dissolve?
39. ## chemistry

2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are
40. ## Chemistry

Iodine clock reaction If the thiosulfate ion solution was omitted what would appear in the solution? I know that once the thiosulfate ion is responsible and exhaubated the reaction rate stops and iodine is presented in the color blue. In that case, if
41. ## chemistry

Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.
42. ## chemistry

Calculate the volume (mL) of 2.06 M magnesium phosphate solution require to prepare 46.20 mL of 2.3998 %w/v solution of Mg3(PO4)2
43. ## chemistry

If 3.5 ml of distilled water is added to 1.5 ml of a 0.150M solution of CoCl2 what is the concentration of the resulting solution? please show the work
44. ## Chemistry

A solution is prepared by dissolving 10.0 moles of Na2SO4 solid in 0.500 kg H2O. what is the vapor pressure of the solution at 30 C?
45. ## Chemistry

A solution is made by dissolving 3.550g of Na2SO4 in water using a 100.0 mL volumetric flask. What is the molarity of the solution?
46. ## chemistry

A 250cm^ solution is prepared by dissolvin 8.0g of sodium hydroxide in distilled water.calculate the concentration of this solution
47. ## math

Is (5,2) a solution of 4x-2y=-6 I said no, am I right? I am working on another problem where they want to know if this system of equations is perpendicular or parallel or neither,5x+4y=2, 4x-5y=4 I said neither. Is this right? I am to solve by using
48. ## Organic Chemistry

Calculate the volume of a 0.200 solution that will completely neutralize 40.0 of a 0.264 solution. Where do I begin with this problem?
49. ## algebra

Is (5,2) a solution of 4x-2y=-6 I said no, am I right? I am working on another problem where they want to know if this system of equations is perpendicular or parallel or neither, I said neither. Is this right? I am to solve by using elimination: 2x+3y=1,
50. ## CHEMISTRY

What will be the concentration if 52mL of a solution that is 12ppm in sodium chloride is diluted with enough water to make 97mL of solution?
51. ## Chemistry

What volume of a 0.332 M hydrobromic acid solution is required to neutralize 29.6 mL of a 0.155 M calcium hydroxide solution ?
52. ## science

A solution is prepared by mixing 90 ml of 5 M HCl and 30 ml of 8 M HNO3. Water is then added until the final volume is 1 L. Calculate the [H+], [OH-], and the pH for this solution.
53. ## CHEMISTRY

What is the hydroxide ion concentration in mol/L of a solution if 0.080 grams of NaOH are dissolved in 2.0 liters of solution?
54. ## chemistry

what is the molarity of a solution prepared by dissolving 1.25g of hcl in water to make 30 centimeter cube of solution
55. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M sulfuric acid?
56. ## Chemistry

40.0 grams of Al2S3 are dissolved into 200ml of water yielding 220ml of solution, what is the percent strength of the solution?
57. ## chemistry

What volume of 0.200 M silver nitrate solution (AgNO3) would have to be diluted to form 500mL of 0.050 M solution?
58. ## Chemistry

A 2.5% KCl solution is prepared by dissolving enough of the salt to give 181.4 g of solution. What mass (g) of water is required?
59. ## Chemistry

Calculate the amount of solute needed to make the solution. I can't remember how to set these up. .50kg of a 18% (m/m) KOH solution
60. ## Chemistry

A solution is made by diluting 18.2 g glucose (C6H12O6) in 0.150 kg water. What is the mass percentage of solute in this solution?
61. ## chemistry

compute for the pOH of a solution prepared by dissolving 5.50g KOH in enough to make a 100.0mL solution
62. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?
63. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?
64. ## Chemistry

we used the solution NiSO4 6H20 - i have to find the mass of solute dissolved in a 25ml solution. - and the molar concentration.
65. ## Chemistry

To what volume should you dilute 43.5mL of a 4.20M KI solution so that 24.0mL of the diluted solution contains 2.80g of KI? Please if you can explain it to me I am so confused.
66. ## GN National Public School

If one third of 100 gm of 27% of aqueous solution is taken in a beaker and 10 gm of sugar is added to it,the concentration of resulting solution is.....
67. ## Chemistry

Calculate the new molarity of a 20.0 mL sample of 0.550 M CaCl2 solution that is diluted with water to make 250 mL of solution.
68. ## Chemistry

A solution is prepared by mixing 3.5 g of nitric acid with enough water to make 8.00 L of solution. Find the [H3O+], [OH-], pH and the pOH
69. ## Biochemistry

describe the preparation of 2litres of 0.2M acetate buffer of pH 5.5,starting from 2.5M solution of acetic acid and 2.5M solution of KOH{4.77}
70. ## Differential Equation

Solve. x^3 y^'''+5x^2 y^''+7xy^'+8y = t+e^(-t) **guys pls give some solution. i need help. the answer couldn't teach me anything but the solution is.Tq
71. ## Math

solve by the elimination method. what is the solution of the system? type a pair, an integer or a fraction, N if no solution, and I for many solutions. Q: x + 8y = 17 -x + 2y = 3 A: N?
72. ## Chemistry

To what volume must 1580mL of 0.2005 N solution be diluted so that the resulting solution will be 0.1899 M? How much water will be needed in the dilution?
73. ## chemistry

Calculate the hydrogen-ion concentration [H+] for an aqueous solution in which [OH-] is 1 x 10^-11 mol/L. Is this solution acidic, basic, or neutral?
74. ## Chemistry

What is [H30+] in a solution obtained by dissolving 205mL HCl(g), measured at 23 C and 751mmHg, in 4.25L of aqueous solution?
75. ## chemistry

Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.
76. ## science

What is the molarity of a solution of sodium chloride which contains 0.5moles in 200cubic centimeters? #2.what volume of 1m solution of hcl will contain 10moles?
77. ## maths

what volume of distilled water must be added to 165mls of stock solution to make 1200mls of diluted solution
78. ## Chemistry

A solution is made by diluting 18.2 g glucose (C6H12O6) in 0.150 kg water. What is the mass percentage of solute in this solution?
79. ## Chemistry

15.0 mL of 0.30 M sodium phosphate solution reacts with 20.0 mL of 0.23M lead(II) nitrate solution. What mass of precipitate will form?
80. ## chemistry

what is the molar concentration of an aqueous NaOH solution when 45.0 grams are dissolved in water to make 100mL of solution
81. ## chemistry

Stuck on this questions ?! please help The solubility of barium sulphate, BaSO4, is 2.4 x 10-4 g/100 mL of solution. Calculate the Ksp of this solution.
82. ## Math

Please help! They are asking for 2 solution sets and I don't know where to start. Thanks in advance! Solve and write interval notation for the solution set. 3 – 8x < –5 or 3 – 8x > 19
83. ## chemistry

calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution
84. ## chemistry

calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution
85. ## chemistry

7.00 grams of sugar (C12H22O11) are dissolved in water to make 1 L of solution. What is the concentration of this solution? Answer in units of M
86. ## chemistry

Hydrochloric acid (68.0 mL of 0.037 M) is added to 249.0 mL of 0.062 M Ba(OH)2 solution. What excess ions are left in the solution?
87. ## chemistry

calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.9g in enough water to form 250ml of solution
88. ## chemistry

If 34.7 mL of 0.210 M KOH is required to completely neutralize 30.0 mL of a CH3COOH solution, what is the molarity of the acetic acid solution?
89. ## AP CHEMISTRY

Calculate the pH of a solution made by adding 3.50 g of lithium oxide (Li2O) to enough water to make 1.290 L of solution. (Kw = 1.0 10-14)
90. ## pharmacy math

In what proportion should you combine 1:30 soaking solution and distilled water to create a 500ml solution of 1:70 concentration?
91. ## college chemistry2

calculate the molarity of a solution containing 20.0g of sulfuric acid in 500 ml of solution?in a solving problem form?
92. ## physics

The speed of light is measured to be 1.50 ×108 m s–1 in a sucrose water solution. Calculate the refractive index of the solution.
93. ## chemistry - science

calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?
94. ## Chemistry

What is the molarity of a solution prepared by placing 7.2 g of glucose in a volumetric flask and adding water to get 250.0 mL of solution?
95. ## Chemistry

What is the molarity of a solution prepared by dissolving 5.86 grams of naoh in enough water to make 250 milliliters of solution
96. ## chemistry

calculate the molarity of the solution prepared by dissolving 16.45g NH4NO3 in water to make 250.mL solution.
97. ## chem 11

Calculate the molar concentration of a solution made by dissolving 20.0g of sodium hydroxide to make 300ml of solution.
98. ## Chemistry

Please help me! Thank-you! Calculate the concentration, in moles per liter, of a fertilizer solution if 500.0 mL of the solution contains 1.84 g of copper sulphate, CuSO4.
99. ## chemistry

Determine how many milliliters of 0.102M NaOH solution is needed to neutralize 35.0mL of 0.125M H2 SO4 solution.
100. ## maths

find the general solution of the following first order differential equation. t*(dy/dt) = (-y/t) + ((exp(1/t)/t^3) could you show steps in working to solution.